What is the Colour of HD 189733b hot Jupiter?

blue
The blue color of HD 189733b is consistent with the hypothesis that very small drops of silicates in the planet’s atmosphere are scattering more blue light than red light. Why is it important?

What particles in atmosphere of HD 189733b give the planet its Colour?

Recent observations of HD 189733b with the Hubble Space Telescope have confirmed that the lower atmosphere of the planet has a deep blue color, due to the preferential scattering of blue light by silicate particles in its atmosphere.

Can we see planets outside our solar system?

Today, we know of over three thousand planets outside of our solar system (also known as exoplanets) and that number increases by over 100 planets each year. Unlike the planets we can see in our Solar System, the majority of exoplanets have not been directly imaged.

Do all planets orbit stars?

We say that planets orbit stars, but that’s not the whole truth. Planets and stars actually orbit around their common center of mass. This common center of mass is called the barycenter. Barycenters also help astronomers search for planets beyond our solar system!

What does it rain on HD 189733b?

Weather and rains of molten glass The weather on HD 189733b is deadly. The winds, composed of silicate particles, blow up to 8,700 kilometres per hour (5,400 mph). Observations of this planet have also found evidence that it rains molten glass, horizontally.

Why does it rain glass?

Researchers say the blue color in the atmosphere likely comes from a rain of molten glass. This super-hot glass rain is just one consequence of the close proximity between the gas giant alien planet HD189733b and its sun.

Why does it rain glass on HD 189733b?

How big is HD 189733b compared to Earth?

For starters, HD 189733b is much bigger and hotter than Earth; it’s about the size of Jupiter and zips around its host star in just 2.2 Earth days.

Is there a planet HD 189733 b?

HD 189733 b. HD 189733 b is an extrasolar planet approximately 64.5 light-years away from the Solar System in the constellation of Vulpecula. The planet was discovered orbiting the star HD 189733 A on October 5, 2005, when astronomers in France observed the planet transiting across the face of the star.

What is hdhd 189733 b?

HD 189733 b is an extrasolar planet approximately 64.5 light-years away from the Solar System in the constellation of Vulpecula. The planet was discovered orbiting the star HD 189733 A on October 5, 2005, when astronomers in France observed the planet transiting across the face of the star.

Is hdhd 189733b gravitationally locked?

HD 189733b was discovered in 2005. It is only 2.9 million miles from its parent star, so close that it is gravitationally locked. One side always faces the star and the other side is always dark.

Does hdhd 189733 b have atmospheric evaporation?

HD 189733 b is the second planet after HD 209458 b for which atmospheric evaporation has been detected. This planet exhibits one of the largest photometric transit depth (amount of the parent star’s light blocked) of extrasolar planets so far observed, approximately 3\%.